{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "from sklearn import tree"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "image/png": 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c7rRTnrQKkX53YMr6Gt1UTJ7fXRFVRSHVtGvFbL3Uow9YXVv3tkVaGuW6jVPce2Qu8wRk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\nAAAASUVORK5CYII=\n",
      "text/plain": [
       "<matplotlib.figure.Figure at 0x2364b69e438>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# 载入数据\n",
    "data = np.genfromtxt(\"data.csv\", delimiter=\",\")\n",
    "x_data = data[:,0,np.newaxis]\n",
    "y_data = data[:,1,np.newaxis]\n",
    "plt.scatter(x_data,y_data)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "DecisionTreeRegressor(criterion='mse', max_depth=5, max_features=None,\n",
       "           max_leaf_nodes=None, min_impurity_split=1e-07,\n",
       "           min_samples_leaf=1, min_samples_split=2,\n",
       "           min_weight_fraction_leaf=0.0, presort=False, random_state=None,\n",
       "           splitter='best')"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "model = tree.DecisionTreeRegressor(max_depth=5)\n",
    "model.fit(x_data, y_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "image/png": 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nv5tSLosWwY7aVuiBLUNncs+tcSEYjKX/11u3cdrHZ/feFg6tPOYYIIv1388/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\n",
      "text/plain": [
       "<matplotlib.figure.Figure at 0x2364b7307b8>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "x_test = np.linspace(20,80,100)\n",
    "x_test = x_test[:,np.newaxis]\n",
    "\n",
    "# 画图\n",
    "plt.plot(x_data, y_data, 'b.')\n",
    "plt.plot(x_test, model.predict(x_test), 'r')\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "# 导出决策树\n",
    "import graphviz # http://www.graphviz.org/\n",
    "\n",
    "dot_data = tree.export_graphviz(model, \n",
    "                                out_file = None, \n",
    "                                feature_names = ['x','y'],\n",
    "                                class_names = ['label0','label1'],\n",
    "                                filled = True,\n",
    "                                rounded = True,\n",
    "                                special_characters = True)\n",
    "graph = graphviz.Source(dot_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\r\n",
       "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\r\n",
       " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\r\n",
       "<!-- Generated by graphviz version 2.38.0 (20140413.2041)\r\n",
       " -->\r\n",
       "<!-- Title: Tree Pages: 1 -->\r\n",
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       " viewBox=\"0.00 0.00 4380.00 685.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\r\n",
       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 681)\">\r\n",
       "<title>Tree</title>\r\n",
       "<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-681 4376,-681 4376,4 -4,4\"/>\r\n",
       "<!-- 0 -->\r\n",
       "<g id=\"node1\" class=\"node\"><title>0</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.470588\" stroke=\"black\" d=\"M2322.5,-677C2322.5,-677 2224.5,-677 2224.5,-677 2218.5,-677 2212.5,-671 2212.5,-665 2212.5,-665 2212.5,-621 2212.5,-621 2212.5,-615 2218.5,-609 2224.5,-609 2224.5,-609 2322.5,-609 2322.5,-609 2328.5,-609 2334.5,-615 2334.5,-621 2334.5,-621 2334.5,-665 2334.5,-665 2334.5,-671 2328.5,-677 2322.5,-677\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2235.5\" y=\"-661.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 45.9248</text>\r\n",
       "<text text-anchor=\"start\" x=\"2220.5\" y=\"-646.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 274.7203</text>\r\n",
       "<text text-anchor=\"start\" x=\"2226\" y=\"-631.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 100</text>\r\n",
       "<text text-anchor=\"start\" x=\"2222\" y=\"-616.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 72.7351</text>\r\n",
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       "<!-- 1 -->\r\n",
       "<g id=\"node2\" class=\"node\"><title>1</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.321569\" stroke=\"black\" d=\"M1878.5,-573C1878.5,-573 1780.5,-573 1780.5,-573 1774.5,-573 1768.5,-567 1768.5,-561 1768.5,-561 1768.5,-517 1768.5,-517 1768.5,-511 1774.5,-505 1780.5,-505 1780.5,-505 1878.5,-505 1878.5,-505 1884.5,-505 1890.5,-511 1890.5,-517 1890.5,-517 1890.5,-561 1890.5,-561 1890.5,-567 1884.5,-573 1878.5,-573\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1791.5\" y=\"-557.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 40.3832</text>\r\n",
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       "<text text-anchor=\"start\" x=\"1786\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 40</text>\r\n",
       "<text text-anchor=\"start\" x=\"1778\" y=\"-512.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 59.5365</text>\r\n",
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       "<!-- 0&#45;&gt;1 -->\r\n",
       "<g id=\"edge1\" class=\"edge\"><title>0&#45;&gt;1</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2212.23,-627.924C2130.77,-609.21 1987.06,-576.197 1900.82,-556.384\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1901.38,-552.923 1890.85,-554.095 1899.82,-559.745 1901.38,-552.923\"/>\r\n",
       "<text text-anchor=\"middle\" x=\"1904.12\" y=\"-571.582\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">True</text>\r\n",
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       "<!-- 40 -->\r\n",
       "<g id=\"node41\" class=\"node\"><title>40</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.572549\" stroke=\"black\" d=\"M2968.5,-573C2968.5,-573 2870.5,-573 2870.5,-573 2864.5,-573 2858.5,-567 2858.5,-561 2858.5,-561 2858.5,-517 2858.5,-517 2858.5,-511 2864.5,-505 2870.5,-505 2870.5,-505 2968.5,-505 2968.5,-505 2974.5,-505 2980.5,-511 2980.5,-517 2980.5,-517 2980.5,-561 2980.5,-561 2980.5,-567 2974.5,-573 2968.5,-573\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2881.5\" y=\"-557.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 62.7461</text>\r\n",
       "<text text-anchor=\"start\" x=\"2866.5\" y=\"-542.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 176.5914</text>\r\n",
       "<text text-anchor=\"start\" x=\"2876\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 60</text>\r\n",
       "<text text-anchor=\"start\" x=\"2868\" y=\"-512.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 81.5341</text>\r\n",
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       "<!-- 0&#45;&gt;40 -->\r\n",
       "<g id=\"edge40\" class=\"edge\"><title>0&#45;&gt;40</title>\r\n",
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       "<text text-anchor=\"middle\" x=\"2843.78\" y=\"-566.152\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">False</text>\r\n",
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       "<!-- 2 -->\r\n",
       "<g id=\"node3\" class=\"node\"><title>2</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.266667\" stroke=\"black\" d=\"M857.5,-469C857.5,-469 759.5,-469 759.5,-469 753.5,-469 747.5,-463 747.5,-457 747.5,-457 747.5,-413 747.5,-413 747.5,-407 753.5,-401 759.5,-401 759.5,-401 857.5,-401 857.5,-401 863.5,-401 869.5,-407 869.5,-413 869.5,-413 869.5,-457 869.5,-457 869.5,-463 863.5,-469 857.5,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"770.5\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.8048</text>\r\n",
       "<text text-anchor=\"start\" x=\"755.5\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 105.9217</text>\r\n",
       "<text text-anchor=\"start\" x=\"765\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 21</text>\r\n",
       "<text text-anchor=\"start\" x=\"757\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 54.8114</text>\r\n",
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       "<!-- 1&#45;&gt;2 -->\r\n",
       "<g id=\"edge2\" class=\"edge\"><title>1&#45;&gt;2</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1768.31,-531.887C1589.83,-514.056 1070.41,-462.165 879.755,-443.119\"/>\r\n",
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       "<!-- 23 -->\r\n",
       "<g id=\"node24\" class=\"node\"><title>23</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.380392\" stroke=\"black\" d=\"M1878.5,-469C1878.5,-469 1780.5,-469 1780.5,-469 1774.5,-469 1768.5,-463 1768.5,-457 1768.5,-457 1768.5,-413 1768.5,-413 1768.5,-407 1774.5,-401 1780.5,-401 1780.5,-401 1878.5,-401 1878.5,-401 1884.5,-401 1890.5,-407 1890.5,-413 1890.5,-413 1890.5,-457 1890.5,-457 1890.5,-463 1884.5,-469 1878.5,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1791.5\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 45.5296</text>\r\n",
       "<text text-anchor=\"start\" x=\"1776.5\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 107.9866</text>\r\n",
       "<text text-anchor=\"start\" x=\"1786\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 19</text>\r\n",
       "<text text-anchor=\"start\" x=\"1782.5\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 64.759</text>\r\n",
       "</g>\r\n",
       "<!-- 1&#45;&gt;23 -->\r\n",
       "<g id=\"edge23\" class=\"edge\"><title>1&#45;&gt;23</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1829.5,-504.884C1829.5,-496.778 1829.5,-487.982 1829.5,-479.472\"/>\r\n",
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       "<!-- 3 -->\r\n",
       "<g id=\"node4\" class=\"node\"><title>3</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.156863\" stroke=\"black\" d=\"M445,-365C445,-365 350,-365 350,-365 344,-365 338,-359 338,-353 338,-353 338,-309 338,-309 338,-303 344,-297 350,-297 350,-297 445,-297 445,-297 451,-297 457,-303 457,-309 457,-309 457,-353 457,-353 457,-359 451,-365 445,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"359.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.0452</text>\r\n",
       "<text text-anchor=\"start\" x=\"349\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 69.3177</text>\r\n",
       "<text text-anchor=\"start\" x=\"358\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"346\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 45.2812</text>\r\n",
       "</g>\r\n",
       "<!-- 2&#45;&gt;3 -->\r\n",
       "<g id=\"edge3\" class=\"edge\"><title>2&#45;&gt;3</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M747.413,-418.84C672.464,-400.239 545.694,-368.778 467.067,-349.265\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"467.799,-345.84 457.25,-346.829 466.113,-352.634 467.799,-345.84\"/>\r\n",
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       "<!-- 10 -->\r\n",
       "<g id=\"node11\" class=\"node\"><title>10</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.290196\" stroke=\"black\" d=\"M856,-365C856,-365 761,-365 761,-365 755,-365 749,-359 749,-353 749,-353 749,-309 749,-309 749,-303 755,-297 761,-297 761,-297 856,-297 856,-297 862,-297 868,-303 868,-309 868,-309 868,-353 868,-353 868,-359 862,-365 856,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"770.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 38.8858</text>\r\n",
       "<text text-anchor=\"start\" x=\"760\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 88.1352</text>\r\n",
       "<text text-anchor=\"start\" x=\"765\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 17</text>\r\n",
       "<text text-anchor=\"start\" x=\"757\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 57.0539</text>\r\n",
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       "<!-- 2&#45;&gt;10 -->\r\n",
       "<g id=\"edge10\" class=\"edge\"><title>2&#45;&gt;10</title>\r\n",
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       "<!-- 4 -->\r\n",
       "<g id=\"node5\" class=\"node\"><title>4</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.231373\" stroke=\"black\" d=\"M244,-261C244,-261 149,-261 149,-261 143,-261 137,-255 137,-249 137,-249 137,-205 137,-205 137,-199 143,-193 149,-193 149,-193 244,-193 244,-193 250,-193 256,-199 256,-205 256,-205 256,-249 256,-249 256,-255 250,-261 244,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"158.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 28.3583</text>\r\n",
       "<text text-anchor=\"start\" x=\"152\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 2.3435</text>\r\n",
       "<text text-anchor=\"start\" x=\"157\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"145\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 51.9235</text>\r\n",
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       "<!-- 3&#45;&gt;4 -->\r\n",
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       "<!-- 7 -->\r\n",
       "<g id=\"node8\" class=\"node\"><title>7</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.078431\" stroke=\"black\" d=\"M445,-261C445,-261 350,-261 350,-261 344,-261 338,-255 338,-249 338,-249 338,-205 338,-205 338,-199 344,-193 350,-193 350,-193 445,-193 445,-193 451,-193 457,-199 457,-205 457,-205 457,-249 457,-249 457,-255 451,-261 445,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"359.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.5857</text>\r\n",
       "<text text-anchor=\"start\" x=\"349\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 48.0497</text>\r\n",
       "<text text-anchor=\"start\" x=\"358\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"346\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 38.6388</text>\r\n",
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       "<!-- 3&#45;&gt;7 -->\r\n",
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       "<path fill=\"none\" stroke=\"black\" d=\"M397.5,-296.884C397.5,-288.778 397.5,-279.982 397.5,-271.472\"/>\r\n",
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       "<!-- 5 -->\r\n",
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       "<text text-anchor=\"start\" x=\"27.5\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"20\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"8\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 53.4544</text>\r\n",
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       "<!-- 4&#45;&gt;5 -->\r\n",
       "<g id=\"edge5\" class=\"edge\"><title>4&#45;&gt;5</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M152.02,-192.884C135.919,-180.896 117.791,-167.399 101.875,-155.549\"/>\r\n",
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       "<text text-anchor=\"start\" x=\"164.5\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"157\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"145\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 50.3927</text>\r\n",
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       "<!-- 4&#45;&gt;6 -->\r\n",
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       "<path fill=\"none\" stroke=\"black\" d=\"M196.5,-192.884C196.5,-182.326 196.5,-170.597 196.5,-159.854\"/>\r\n",
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       "<text text-anchor=\"start\" x=\"297.5\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"290\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"282.5\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 31.707</text>\r\n",
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       "<!-- 7&#45;&gt;8 -->\r\n",
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       "<text text-anchor=\"start\" x=\"428\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"423\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"411\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 45.5706</text>\r\n",
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       "<!-- 7&#45;&gt;9 -->\r\n",
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       "<path fill=\"#e58139\" fill-opacity=\"0.313725\" stroke=\"black\" d=\"M786,-261C786,-261 691,-261 691,-261 685,-261 679,-255 679,-249 679,-249 679,-205 679,-205 679,-199 685,-193 691,-193 691,-193 786,-193 786,-193 792,-193 798,-199 798,-205 798,-205 798,-249 798,-249 798,-255 792,-261 786,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"700.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 38.0627</text>\r\n",
       "<text text-anchor=\"start\" x=\"690\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 87.5628</text>\r\n",
       "<text text-anchor=\"start\" x=\"695\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 13</text>\r\n",
       "<text text-anchor=\"start\" x=\"687\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 58.9962</text>\r\n",
       "</g>\r\n",
       "<!-- 10&#45;&gt;11 -->\r\n",
       "<g id=\"edge11\" class=\"edge\"><title>10&#45;&gt;11</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M785.773,-296.884C779.843,-288.243 773.376,-278.819 767.181,-269.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"769.897,-267.564 761.353,-261.299 764.125,-271.525 769.897,-267.564\"/>\r\n",
       "</g>\r\n",
       "<!-- 18 -->\r\n",
       "<g id=\"node19\" class=\"node\"><title>18</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.219608\" stroke=\"black\" d=\"M925,-261C925,-261 830,-261 830,-261 824,-261 818,-255 818,-249 818,-249 818,-205 818,-205 818,-199 824,-193 830,-193 830,-193 925,-193 925,-193 931,-193 937,-199 937,-205 937,-205 937,-249 937,-249 937,-255 931,-261 925,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"839.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 39.1272</text>\r\n",
       "<text text-anchor=\"start\" x=\"833\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 37.886</text>\r\n",
       "<text text-anchor=\"start\" x=\"838\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"826\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 50.7413</text>\r\n",
       "</g>\r\n",
       "<!-- 10&#45;&gt;18 -->\r\n",
       "<g id=\"edge18\" class=\"edge\"><title>10&#45;&gt;18</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M830.902,-296.884C836.747,-288.243 843.122,-278.819 849.228,-269.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"852.27,-271.543 854.974,-261.299 846.472,-267.621 852.27,-271.543\"/>\r\n",
       "</g>\r\n",
       "<!-- 12 -->\r\n",
       "<g id=\"node13\" class=\"node\"><title>12</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.294118\" stroke=\"black\" d=\"M647,-157C647,-157 552,-157 552,-157 546,-157 540,-151 540,-145 540,-145 540,-101 540,-101 540,-95 546,-89 552,-89 552,-89 647,-89 647,-89 653,-89 659,-95 659,-101 659,-101 659,-145 659,-145 659,-151 653,-157 647,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"561.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 33.7545</text>\r\n",
       "<text text-anchor=\"start\" x=\"551\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 59.3326</text>\r\n",
       "<text text-anchor=\"start\" x=\"556\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 11</text>\r\n",
       "<text text-anchor=\"start\" x=\"548\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 57.2643</text>\r\n",
       "</g>\r\n",
       "<!-- 11&#45;&gt;12 -->\r\n",
       "<g id=\"edge12\" class=\"edge\"><title>11&#45;&gt;12</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M693.371,-192.884C680.504,-183.442 666.361,-173.064 653.044,-163.292\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"655.011,-160.394 644.879,-157.299 650.87,-166.037 655.011,-160.394\"/>\r\n",
       "</g>\r\n",
       "<!-- 15 -->\r\n",
       "<g id=\"node16\" class=\"node\"><title>15</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.423529\" stroke=\"black\" d=\"M787.5,-157C787.5,-157 689.5,-157 689.5,-157 683.5,-157 677.5,-151 677.5,-145 677.5,-145 677.5,-101 677.5,-101 677.5,-95 683.5,-89 689.5,-89 689.5,-89 787.5,-89 787.5,-89 793.5,-89 799.5,-95 799.5,-101 799.5,-101 799.5,-145 799.5,-145 799.5,-151 793.5,-157 787.5,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"700.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 38.4683</text>\r\n",
       "<text text-anchor=\"start\" x=\"685.5\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 135.5951</text>\r\n",
       "<text text-anchor=\"start\" x=\"699\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"687\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.5217</text>\r\n",
       "</g>\r\n",
       "<!-- 11&#45;&gt;15 -->\r\n",
       "<g id=\"edge15\" class=\"edge\"><title>11&#45;&gt;15</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M738.5,-192.884C738.5,-184.778 738.5,-175.982 738.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"742,-167.299 738.5,-157.299 735,-167.299 742,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 13 -->\r\n",
       "<g id=\"node14\" class=\"node\"><title>13</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.356863\" stroke=\"black\" d=\"M510,-53C510,-53 415,-53 415,-53 409,-53 403,-47 403,-41 403,-41 403,-12 403,-12 403,-6 409,-0 415,-0 415,-0 510,-0 510,-0 516,-0 522,-6 522,-12 522,-12 522,-41 522,-41 522,-47 516,-53 510,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"414\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 71.7735</text>\r\n",
       "<text text-anchor=\"start\" x=\"423\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
       "<text text-anchor=\"start\" x=\"411\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 62.5966</text>\r\n",
       "</g>\r\n",
       "<!-- 12&#45;&gt;13 -->\r\n",
       "<g id=\"edge13\" class=\"edge\"><title>12&#45;&gt;13</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M551.584,-88.9485C537.526,-79.2516 522.193,-68.6752 508.272,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"510.03,-56.0337 499.811,-53.2367 506.056,-61.7959 510.03,-56.0337\"/>\r\n",
       "</g>\r\n",
       "<!-- 14 -->\r\n",
       "<g id=\"node15\" class=\"node\"><title>14</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.270588\" stroke=\"black\" d=\"M647,-53C647,-53 552,-53 552,-53 546,-53 540,-47 540,-41 540,-41 540,-12 540,-12 540,-6 546,-0 552,-0 552,-0 647,-0 647,-0 653,-0 659,-6 659,-12 659,-12 659,-41 659,-41 659,-47 653,-53 647,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"551\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 40.0058</text>\r\n",
       "<text text-anchor=\"start\" x=\"560\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 8</text>\r\n",
       "<text text-anchor=\"start\" x=\"548\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 55.2646</text>\r\n",
       "</g>\r\n",
       "<!-- 12&#45;&gt;14 -->\r\n",
       "<g id=\"edge14\" class=\"edge\"><title>12&#45;&gt;14</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M599.5,-88.9485C599.5,-80.7153 599.5,-71.848 599.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"603,-63.2367 599.5,-53.2367 596,-63.2367 603,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 16 -->\r\n",
       "<g id=\"node17\" class=\"node\"><title>16</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.556863\" stroke=\"black\" d=\"M784,-53C784,-53 689,-53 689,-53 683,-53 677,-47 677,-41 677,-41 677,-12 677,-12 677,-6 683,-0 689,-0 689,-0 784,-0 784,-0 790,-0 796,-6 796,-12 796,-12 796,-41 796,-41 796,-47 790,-53 784,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"704.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"697\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"685\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.1663</text>\r\n",
       "</g>\r\n",
       "<!-- 15&#45;&gt;16 -->\r\n",
       "<g id=\"edge16\" class=\"edge\"><title>15&#45;&gt;16</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M737.8,-88.9485C737.626,-80.7153 737.439,-71.848 737.262,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"740.756,-63.1604 737.045,-53.2367 733.757,-63.3086 740.756,-63.1604\"/>\r\n",
       "</g>\r\n",
       "<!-- 17 -->\r\n",
       "<g id=\"node18\" class=\"node\"><title>17</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.290196\" stroke=\"black\" d=\"M921,-53C921,-53 826,-53 826,-53 820,-53 814,-47 814,-41 814,-41 814,-12 814,-12 814,-6 820,-0 826,-0 826,-0 921,-0 921,-0 927,-0 933,-6 933,-12 933,-12 933,-41 933,-41 933,-47 927,-53 921,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"839\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"834\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"822\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 56.8772</text>\r\n",
       "</g>\r\n",
       "<!-- 15&#45;&gt;17 -->\r\n",
       "<g id=\"edge17\" class=\"edge\"><title>15&#45;&gt;17</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M785.716,-88.9485C799.569,-79.2516 814.678,-68.6752 828.396,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"830.548,-61.8387 836.733,-53.2367 826.534,-56.1041 830.548,-61.8387\"/>\r\n",
       "</g>\r\n",
       "<!-- 19 -->\r\n",
       "<g id=\"node20\" class=\"node\"><title>19</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.152941\" stroke=\"black\" d=\"M925,-149.5C925,-149.5 830,-149.5 830,-149.5 824,-149.5 818,-143.5 818,-137.5 818,-137.5 818,-108.5 818,-108.5 818,-102.5 824,-96.5 830,-96.5 830,-96.5 925,-96.5 925,-96.5 931,-96.5 937,-102.5 937,-108.5 937,-108.5 937,-137.5 937,-137.5 937,-143.5 931,-149.5 925,-149.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"845.5\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"838\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"826\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 44.8471</text>\r\n",
       "</g>\r\n",
       "<!-- 18&#45;&gt;19 -->\r\n",
       "<g id=\"edge19\" class=\"edge\"><title>18&#45;&gt;19</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M877.5,-192.884C877.5,-182.326 877.5,-170.597 877.5,-159.854\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"881,-159.52 877.5,-149.52 874,-159.52 881,-159.52\"/>\r\n",
       "</g>\r\n",
       "<!-- 20 -->\r\n",
       "<g id=\"node21\" class=\"node\"><title>20</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.243137\" stroke=\"black\" d=\"M1056,-157C1056,-157 967,-157 967,-157 961,-157 955,-151 955,-145 955,-145 955,-101 955,-101 955,-95 961,-89 967,-89 967,-89 1056,-89 1056,-89 1062,-89 1068,-95 1068,-101 1068,-101 1068,-145 1068,-145 1068,-151 1062,-157 1056,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"973.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 39.4287</text>\r\n",
       "<text text-anchor=\"start\" x=\"963\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 35.0741</text>\r\n",
       "<text text-anchor=\"start\" x=\"972\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
       "<text text-anchor=\"start\" x=\"964.5\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 52.706</text>\r\n",
       "</g>\r\n",
       "<!-- 18&#45;&gt;20 -->\r\n",
       "<g id=\"edge20\" class=\"edge\"><title>18&#45;&gt;20</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M921.006,-192.884C933.293,-183.531 946.787,-173.259 959.518,-163.568\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"961.917,-166.141 967.754,-157.299 957.677,-160.571 961.917,-166.141\"/>\r\n",
       "</g>\r\n",
       "<!-- 21 -->\r\n",
       "<g id=\"node22\" class=\"node\"><title>21</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.317647\" stroke=\"black\" d=\"M1058,-53C1058,-53 963,-53 963,-53 957,-53 951,-47 951,-41 951,-41 951,-12 951,-12 951,-6 957,-0 963,-0 963,-0 1058,-0 1058,-0 1064,-0 1070,-6 1070,-12 1070,-12 1070,-41 1070,-41 1070,-47 1064,-53 1058,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"978.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"971\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"959\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 59.1715</text>\r\n",
       "</g>\r\n",
       "<!-- 20&#45;&gt;21 -->\r\n",
       "<g id=\"edge21\" class=\"edge\"><title>20&#45;&gt;21</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1011.15,-88.9485C1011.06,-80.7153 1010.97,-71.848 1010.88,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1014.38,-63.1991 1010.77,-53.2367 1007.38,-63.2732 1014.38,-63.1991\"/>\r\n",
       "</g>\r\n",
       "<!-- 22 -->\r\n",
       "<g id=\"node23\" class=\"node\"><title>22</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.203922\" stroke=\"black\" d=\"M1195,-53C1195,-53 1100,-53 1100,-53 1094,-53 1088,-47 1088,-41 1088,-41 1088,-12 1088,-12 1088,-6 1094,-0 1100,-0 1100,-0 1195,-0 1195,-0 1201,-0 1207,-6 1207,-12 1207,-12 1207,-41 1207,-41 1207,-47 1201,-53 1195,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1099\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 21.2593</text>\r\n",
       "<text text-anchor=\"start\" x=\"1108\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"1096\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 49.4733</text>\r\n",
       "</g>\r\n",
       "<!-- 20&#45;&gt;22 -->\r\n",
       "<g id=\"edge22\" class=\"edge\"><title>20&#45;&gt;22</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1059.07,-88.9485C1073.02,-79.2516 1088.24,-68.6752 1102.06,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1104.25,-61.8172 1110.46,-53.2367 1100.25,-56.0687 1104.25,-61.8172\"/>\r\n",
       "</g>\r\n",
       "<!-- 24 -->\r\n",
       "<g id=\"node25\" class=\"node\"><title>24</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.392157\" stroke=\"black\" d=\"M1807,-365C1807,-365 1718,-365 1718,-365 1712,-365 1706,-359 1706,-353 1706,-353 1706,-309 1706,-309 1706,-303 1712,-297 1718,-297 1718,-297 1807,-297 1807,-297 1813,-297 1819,-303 1819,-309 1819,-309 1819,-353 1819,-353 1819,-359 1813,-365 1807,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1724.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.1879</text>\r\n",
       "<text text-anchor=\"start\" x=\"1714\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 99.1384</text>\r\n",
       "<text text-anchor=\"start\" x=\"1719\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 18</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715.5\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 65.643</text>\r\n",
       "</g>\r\n",
       "<!-- 23&#45;&gt;24 -->\r\n",
       "<g id=\"edge24\" class=\"edge\"><title>23&#45;&gt;24</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1807.75,-400.884C1802.07,-392.243 1795.88,-382.819 1789.95,-373.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1792.79,-371.736 1784.37,-365.299 1786.94,-375.579 1792.79,-371.736\"/>\r\n",
       "</g>\r\n",
       "<!-- 39 -->\r\n",
       "<g id=\"node40\" class=\"node\"><title>39</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.196078\" stroke=\"black\" d=\"M1944,-357.5C1944,-357.5 1849,-357.5 1849,-357.5 1843,-357.5 1837,-351.5 1837,-345.5 1837,-345.5 1837,-316.5 1837,-316.5 1837,-310.5 1843,-304.5 1849,-304.5 1849,-304.5 1944,-304.5 1944,-304.5 1950,-304.5 1956,-310.5 1956,-316.5 1956,-316.5 1956,-345.5 1956,-345.5 1956,-351.5 1950,-357.5 1944,-357.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1864.5\" y=\"-342.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1857\" y=\"-327.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1845\" y=\"-312.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 48.8472</text>\r\n",
       "</g>\r\n",
       "<!-- 23&#45;&gt;39 -->\r\n",
       "<g id=\"edge39\" class=\"edge\"><title>23&#45;&gt;39</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1851.25,-400.884C1858.55,-389.776 1866.7,-377.372 1874.05,-366.184\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1877.17,-367.8 1879.74,-357.52 1871.32,-363.957 1877.17,-367.8\"/>\r\n",
       "</g>\r\n",
       "<!-- 25 -->\r\n",
       "<g id=\"node26\" class=\"node\"><title>25</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.364706\" stroke=\"black\" d=\"M1675,-261C1675,-261 1580,-261 1580,-261 1574,-261 1568,-255 1568,-249 1568,-249 1568,-205 1568,-205 1568,-199 1574,-193 1580,-193 1580,-193 1675,-193 1675,-193 1681,-193 1687,-199 1687,-205 1687,-205 1687,-249 1687,-249 1687,-255 1681,-261 1675,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1589.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 42.7721</text>\r\n",
       "<text text-anchor=\"start\" x=\"1579\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 59.3791</text>\r\n",
       "<text text-anchor=\"start\" x=\"1584\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 11</text>\r\n",
       "<text text-anchor=\"start\" x=\"1576\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 63.5285</text>\r\n",
       "</g>\r\n",
       "<!-- 24&#45;&gt;25 -->\r\n",
       "<g id=\"edge25\" class=\"edge\"><title>24&#45;&gt;25</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1718.67,-296.884C1706.29,-287.531 1692.7,-277.259 1679.87,-267.568\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1681.66,-264.535 1671.57,-261.299 1677.44,-270.12 1681.66,-264.535\"/>\r\n",
       "</g>\r\n",
       "<!-- 32 -->\r\n",
       "<g id=\"node33\" class=\"node\"><title>32</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.427451\" stroke=\"black\" d=\"M1946.5,-261C1946.5,-261 1848.5,-261 1848.5,-261 1842.5,-261 1836.5,-255 1836.5,-249 1836.5,-249 1836.5,-205 1836.5,-205 1836.5,-199 1842.5,-193 1848.5,-193 1848.5,-193 1946.5,-193 1946.5,-193 1952.5,-193 1958.5,-199 1958.5,-205 1958.5,-205 1958.5,-249 1958.5,-249 1958.5,-255 1952.5,-261 1946.5,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1859.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.4977</text>\r\n",
       "<text text-anchor=\"start\" x=\"1844.5\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 143.5507</text>\r\n",
       "<text text-anchor=\"start\" x=\"1858\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"1846\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.9658</text>\r\n",
       "</g>\r\n",
       "<!-- 24&#45;&gt;32 -->\r\n",
       "<g id=\"edge32\" class=\"edge\"><title>24&#45;&gt;32</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1806.33,-296.884C1818.71,-287.531 1832.3,-277.259 1845.13,-267.568\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1847.56,-270.12 1853.43,-261.299 1843.34,-264.535 1847.56,-270.12\"/>\r\n",
       "</g>\r\n",
       "<!-- 26 -->\r\n",
       "<g id=\"node27\" class=\"node\"><title>26</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.388235\" stroke=\"black\" d=\"M1469,-157C1469,-157 1374,-157 1374,-157 1368,-157 1362,-151 1362,-145 1362,-145 1362,-101 1362,-101 1362,-95 1368,-89 1374,-89 1374,-89 1469,-89 1469,-89 1475,-89 1481,-95 1481,-101 1481,-101 1481,-145 1481,-145 1481,-151 1475,-157 1469,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1383.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 42.0786</text>\r\n",
       "<text text-anchor=\"start\" x=\"1373\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 79.9953</text>\r\n",
       "<text text-anchor=\"start\" x=\"1382\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"1370\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 65.5711</text>\r\n",
       "</g>\r\n",
       "<!-- 25&#45;&gt;26 -->\r\n",
       "<g id=\"edge26\" class=\"edge\"><title>25&#45;&gt;26</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1567.92,-196.497C1543.68,-184.497 1515.52,-170.554 1490.41,-158.119\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1491.82,-154.914 1481.31,-153.613 1488.71,-161.187 1491.82,-154.914\"/>\r\n",
       "</g>\r\n",
       "<!-- 29 -->\r\n",
       "<g id=\"node30\" class=\"node\"><title>29</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.325490\" stroke=\"black\" d=\"M1670.5,-157C1670.5,-157 1584.5,-157 1584.5,-157 1578.5,-157 1572.5,-151 1572.5,-145 1572.5,-145 1572.5,-101 1572.5,-101 1572.5,-95 1578.5,-89 1584.5,-89 1584.5,-89 1670.5,-89 1670.5,-89 1676.5,-89 1682.5,-95 1682.5,-101 1682.5,-101 1682.5,-145 1682.5,-145 1682.5,-151 1676.5,-157 1670.5,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1589.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 43.5944</text>\r\n",
       "<text text-anchor=\"start\" x=\"1583\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 3.2219</text>\r\n",
       "<text text-anchor=\"start\" x=\"1588\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"1580.5\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 59.954</text>\r\n",
       "</g>\r\n",
       "<!-- 25&#45;&gt;29 -->\r\n",
       "<g id=\"edge29\" class=\"edge\"><title>25&#45;&gt;29</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1627.5,-192.884C1627.5,-184.778 1627.5,-175.982 1627.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1631,-167.299 1627.5,-157.299 1624,-167.299 1631,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 27 -->\r\n",
       "<g id=\"node28\" class=\"node\"><title>27</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.368627\" stroke=\"black\" d=\"M1332,-53C1332,-53 1237,-53 1237,-53 1231,-53 1225,-47 1225,-41 1225,-41 1225,-12 1225,-12 1225,-6 1231,-0 1237,-0 1237,-0 1332,-0 1332,-0 1338,-0 1344,-6 1344,-12 1344,-12 1344,-41 1344,-41 1344,-47 1338,-53 1332,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1240\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 69.602</text>\r\n",
       "<text text-anchor=\"start\" x=\"1245\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 6</text>\r\n",
       "<text text-anchor=\"start\" x=\"1233\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 63.7301</text>\r\n",
       "</g>\r\n",
       "<!-- 26&#45;&gt;27 -->\r\n",
       "<g id=\"edge27\" class=\"edge\"><title>26&#45;&gt;27</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1373.58,-88.9485C1359.53,-79.2516 1344.19,-68.6752 1330.27,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1332.03,-56.0337 1321.81,-53.2367 1328.06,-61.7959 1332.03,-56.0337\"/>\r\n",
       "</g>\r\n",
       "<!-- 28 -->\r\n",
       "<g id=\"node29\" class=\"node\"><title>28</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.517647\" stroke=\"black\" d=\"M1469,-53C1469,-53 1374,-53 1374,-53 1368,-53 1362,-47 1362,-41 1362,-41 1362,-12 1362,-12 1362,-6 1368,-0 1374,-0 1374,-0 1469,-0 1469,-0 1475,-0 1481,-6 1481,-12 1481,-12 1481,-41 1481,-41 1481,-47 1475,-53 1469,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1389.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1382\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1370\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 76.6173</text>\r\n",
       "</g>\r\n",
       "<!-- 26&#45;&gt;28 -->\r\n",
       "<g id=\"edge28\" class=\"edge\"><title>26&#45;&gt;28</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1421.5,-88.9485C1421.5,-80.7153 1421.5,-71.848 1421.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1425,-63.2367 1421.5,-53.2367 1418,-63.2367 1425,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 30 -->\r\n",
       "<g id=\"node31\" class=\"node\"><title>30</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.305882\" stroke=\"black\" d=\"M1606,-53C1606,-53 1511,-53 1511,-53 1505,-53 1499,-47 1499,-41 1499,-41 1499,-12 1499,-12 1499,-6 1505,-0 1511,-0 1511,-0 1606,-0 1606,-0 1612,-0 1618,-6 1618,-12 1618,-12 1618,-41 1618,-41 1618,-47 1612,-53 1606,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1514\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.1434</text>\r\n",
       "<text text-anchor=\"start\" x=\"1519\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"1507\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 58.1912</text>\r\n",
       "</g>\r\n",
       "<!-- 29&#45;&gt;30 -->\r\n",
       "<g id=\"edge30\" class=\"edge\"><title>29&#45;&gt;30</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1603.37,-88.9485C1596.89,-80.0749 1589.87,-70.4648 1583.35,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1586.02,-59.249 1577.29,-53.2367 1580.36,-63.3769 1586.02,-59.249\"/>\r\n",
       "</g>\r\n",
       "<!-- 31 -->\r\n",
       "<g id=\"node32\" class=\"node\"><title>31</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.345098\" stroke=\"black\" d=\"M1743,-53C1743,-53 1648,-53 1648,-53 1642,-53 1636,-47 1636,-41 1636,-41 1636,-12 1636,-12 1636,-6 1642,-0 1648,-0 1648,-0 1743,-0 1743,-0 1749,-0 1755,-6 1755,-12 1755,-12 1755,-41 1755,-41 1755,-47 1749,-53 1743,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1651\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0853</text>\r\n",
       "<text text-anchor=\"start\" x=\"1656\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"1644\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 61.7168</text>\r\n",
       "</g>\r\n",
       "<!-- 29&#45;&gt;31 -->\r\n",
       "<g id=\"edge31\" class=\"edge\"><title>29&#45;&gt;31</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1651.28,-88.9485C1657.67,-80.0749 1664.58,-70.4648 1671.01,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1673.98,-63.398 1676.98,-53.2367 1668.3,-59.3094 1673.98,-63.398\"/>\r\n",
       "</g>\r\n",
       "<!-- 33 -->\r\n",
       "<g id=\"node34\" class=\"node\"><title>33</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.556863\" stroke=\"black\" d=\"M1945,-157C1945,-157 1850,-157 1850,-157 1844,-157 1838,-151 1838,-145 1838,-145 1838,-101 1838,-101 1838,-95 1844,-89 1850,-89 1850,-89 1945,-89 1945,-89 1951,-89 1957,-95 1957,-101 1957,-101 1957,-145 1957,-145 1957,-151 1951,-157 1945,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1859.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.3523</text>\r\n",
       "<text text-anchor=\"start\" x=\"1849\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 41.9545</text>\r\n",
       "<text text-anchor=\"start\" x=\"1858\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"1846\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.1648</text>\r\n",
       "</g>\r\n",
       "<!-- 32&#45;&gt;33 -->\r\n",
       "<g id=\"edge33\" class=\"edge\"><title>32&#45;&gt;33</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1897.5,-192.884C1897.5,-184.778 1897.5,-175.982 1897.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1901,-167.299 1897.5,-157.299 1894,-167.299 1901,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 36 -->\r\n",
       "<g id=\"node37\" class=\"node\"><title>36</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.376471\" stroke=\"black\" d=\"M2147.5,-157C2147.5,-157 2049.5,-157 2049.5,-157 2043.5,-157 2037.5,-151 2037.5,-145 2037.5,-145 2037.5,-101 2037.5,-101 2037.5,-95 2043.5,-89 2049.5,-89 2049.5,-89 2147.5,-89 2147.5,-89 2153.5,-89 2159.5,-95 2159.5,-101 2159.5,-101 2159.5,-145 2159.5,-145 2159.5,-151 2153.5,-157 2147.5,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2060.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.6214</text>\r\n",
       "<text text-anchor=\"start\" x=\"2045.5\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 113.9554</text>\r\n",
       "<text text-anchor=\"start\" x=\"2059\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 5</text>\r\n",
       "<text text-anchor=\"start\" x=\"2047\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 64.4862</text>\r\n",
       "</g>\r\n",
       "<!-- 32&#45;&gt;36 -->\r\n",
       "<g id=\"edge36\" class=\"edge\"><title>32&#45;&gt;36</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1958.63,-194.981C1980.65,-183.805 2005.67,-171.108 2028.4,-159.573\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2029.99,-162.693 2037.32,-155.047 2026.82,-156.451 2029.99,-162.693\"/>\r\n",
       "</g>\r\n",
       "<!-- 34 -->\r\n",
       "<g id=\"node35\" class=\"node\"><title>34</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.482353\" stroke=\"black\" d=\"M1880,-53C1880,-53 1785,-53 1785,-53 1779,-53 1773,-47 1773,-41 1773,-41 1773,-12 1773,-12 1773,-6 1779,-0 1785,-0 1785,-0 1880,-0 1880,-0 1886,-0 1892,-6 1892,-12 1892,-12 1892,-41 1892,-41 1892,-47 1886,-53 1880,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1800.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1793\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1781\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 73.6876</text>\r\n",
       "</g>\r\n",
       "<!-- 33&#45;&gt;34 -->\r\n",
       "<g id=\"edge34\" class=\"edge\"><title>33&#45;&gt;34</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1874.77,-88.9485C1868.66,-80.0749 1862.05,-70.4648 1855.91,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1858.75,-59.4924 1850.2,-53.2367 1852.99,-63.4594 1858.75,-59.4924\"/>\r\n",
       "</g>\r\n",
       "<!-- 35 -->\r\n",
       "<g id=\"node36\" class=\"node\"><title>35</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.631373\" stroke=\"black\" d=\"M2008.5,-53C2008.5,-53 1922.5,-53 1922.5,-53 1916.5,-53 1910.5,-47 1910.5,-41 1910.5,-41 1910.5,-12 1910.5,-12 1910.5,-6 1916.5,-0 1922.5,-0 1922.5,-0 2008.5,-0 2008.5,-0 2014.5,-0 2020.5,-6 2020.5,-12 2020.5,-12 2020.5,-41 2020.5,-41 2020.5,-47 2014.5,-53 2008.5,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1931\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1926\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1918.5\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 86.642</text>\r\n",
       "</g>\r\n",
       "<!-- 33&#45;&gt;35 -->\r\n",
       "<g id=\"edge35\" class=\"edge\"><title>33&#45;&gt;35</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1921.28,-88.9485C1927.67,-80.0749 1934.58,-70.4648 1941.01,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1943.98,-63.398 1946.98,-53.2367 1938.3,-59.3094 1943.98,-63.398\"/>\r\n",
       "</g>\r\n",
       "<!-- 37 -->\r\n",
       "<g id=\"node38\" class=\"node\"><title>37</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.313725\" stroke=\"black\" d=\"M2146,-53C2146,-53 2051,-53 2051,-53 2045,-53 2039,-47 2039,-41 2039,-41 2039,-12 2039,-12 2039,-6 2045,-0 2051,-0 2051,-0 2146,-0 2146,-0 2152,-0 2158,-6 2158,-12 2158,-12 2158,-41 2158,-41 2158,-47 2152,-53 2146,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2050\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 38.5562</text>\r\n",
       "<text text-anchor=\"start\" x=\"2059\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"2047\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 58.8923</text>\r\n",
       "</g>\r\n",
       "<!-- 36&#45;&gt;37 -->\r\n",
       "<g id=\"edge37\" class=\"edge\"><title>36&#45;&gt;37</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2098.5,-88.9485C2098.5,-80.7153 2098.5,-71.848 2098.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2102,-63.2367 2098.5,-53.2367 2095,-63.2367 2102,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 38 -->\r\n",
       "<g id=\"node39\" class=\"node\"><title>38</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.419608\" stroke=\"black\" d=\"M2286.5,-53C2286.5,-53 2188.5,-53 2188.5,-53 2182.5,-53 2176.5,-47 2176.5,-41 2176.5,-41 2176.5,-12 2176.5,-12 2176.5,-6 2182.5,-0 2188.5,-0 2188.5,-0 2286.5,-0 2286.5,-0 2292.5,-0 2298.5,-6 2298.5,-12 2298.5,-12 2298.5,-41 2298.5,-41 2298.5,-47 2292.5,-53 2286.5,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2184.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 129.4535</text>\r\n",
       "<text text-anchor=\"start\" x=\"2198\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
       "<text text-anchor=\"start\" x=\"2186\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.2154</text>\r\n",
       "</g>\r\n",
       "<!-- 36&#45;&gt;38 -->\r\n",
       "<g id=\"edge38\" class=\"edge\"><title>36&#45;&gt;38</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2147.12,-88.9485C2161.38,-79.2516 2176.94,-68.6752 2191.06,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2193.34,-61.7535 2199.64,-53.2367 2189.41,-55.9646 2193.34,-61.7535\"/>\r\n",
       "</g>\r\n",
       "<!-- 41 -->\r\n",
       "<g id=\"node42\" class=\"node\"><title>41</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.537255\" stroke=\"black\" d=\"M2968.5,-469C2968.5,-469 2870.5,-469 2870.5,-469 2864.5,-469 2858.5,-463 2858.5,-457 2858.5,-457 2858.5,-413 2858.5,-413 2858.5,-407 2864.5,-401 2870.5,-401 2870.5,-401 2968.5,-401 2968.5,-401 2974.5,-401 2980.5,-407 2980.5,-413 2980.5,-413 2980.5,-457 2980.5,-457 2980.5,-463 2974.5,-469 2968.5,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2881.5\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 53.6763</text>\r\n",
       "<text text-anchor=\"start\" x=\"2866.5\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 101.7041</text>\r\n",
       "<text text-anchor=\"start\" x=\"2876\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 52</text>\r\n",
       "<text text-anchor=\"start\" x=\"2868\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 78.2402</text>\r\n",
       "</g>\r\n",
       "<!-- 40&#45;&gt;41 -->\r\n",
       "<g id=\"edge41\" class=\"edge\"><title>40&#45;&gt;41</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2919.5,-504.884C2919.5,-496.778 2919.5,-487.982 2919.5,-479.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2923,-479.299 2919.5,-469.299 2916,-479.299 2923,-479.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 64 -->\r\n",
       "<g id=\"node65\" class=\"node\"><title>64</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.819608\" stroke=\"black\" d=\"M3586,-469C3586,-469 3483,-469 3483,-469 3477,-469 3471,-463 3471,-457 3471,-457 3471,-413 3471,-413 3471,-407 3477,-401 3483,-401 3483,-401 3586,-401 3586,-401 3592,-401 3598,-407 3598,-413 3598,-413 3598,-457 3598,-457 3598,-463 3592,-469 3586,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3496.5\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 63.3065</text>\r\n",
       "<text text-anchor=\"start\" x=\"3481.5\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 134.4631</text>\r\n",
       "<text text-anchor=\"start\" x=\"3495\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 8</text>\r\n",
       "<text text-anchor=\"start\" x=\"3479\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 102.9438</text>\r\n",
       "</g>\r\n",
       "<!-- 40&#45;&gt;64 -->\r\n",
       "<g id=\"edge64\" class=\"edge\"><title>40&#45;&gt;64</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2980.72,-527.847C3094.49,-508.977 3338.08,-468.578 3460.72,-448.236\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3461.48,-451.658 3470.78,-446.569 3460.34,-444.752 3461.48,-451.658\"/>\r\n",
       "</g>\r\n",
       "<!-- 42 -->\r\n",
       "<g id=\"node43\" class=\"node\"><title>42</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.486275\" stroke=\"black\" d=\"M2765,-365C2765,-365 2670,-365 2670,-365 2664,-365 2658,-359 2658,-353 2658,-353 2658,-309 2658,-309 2658,-303 2664,-297 2670,-297 2670,-297 2765,-297 2765,-297 2771,-297 2777,-303 2777,-309 2777,-309 2777,-353 2777,-353 2777,-359 2771,-365 2765,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2679.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 46.4566</text>\r\n",
       "<text text-anchor=\"start\" x=\"2669\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 81.2432</text>\r\n",
       "<text text-anchor=\"start\" x=\"2674\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 27</text>\r\n",
       "<text text-anchor=\"start\" x=\"2666\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 74.0796</text>\r\n",
       "</g>\r\n",
       "<!-- 41&#45;&gt;42 -->\r\n",
       "<g id=\"edge42\" class=\"edge\"><title>41&#45;&gt;42</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2858.35,-403.12C2835.59,-391.628 2809.62,-378.514 2786.22,-366.702\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2787.56,-363.457 2777.06,-362.074 2784.41,-369.706 2787.56,-363.457\"/>\r\n",
       "</g>\r\n",
       "<!-- 51 -->\r\n",
       "<g id=\"node52\" class=\"node\"><title>51</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.588235\" stroke=\"black\" d=\"M3171,-365C3171,-365 3076,-365 3076,-365 3070,-365 3064,-359 3064,-353 3064,-353 3064,-309 3064,-309 3064,-303 3070,-297 3076,-297 3076,-297 3171,-297 3171,-297 3177,-297 3183,-303 3183,-309 3183,-309 3183,-353 3183,-353 3183,-359 3177,-365 3171,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3085.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 58.1665</text>\r\n",
       "<text text-anchor=\"start\" x=\"3075\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 84.9141</text>\r\n",
       "<text text-anchor=\"start\" x=\"3080\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 25</text>\r\n",
       "<text text-anchor=\"start\" x=\"3072\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 82.7338</text>\r\n",
       "</g>\r\n",
       "<!-- 41&#45;&gt;51 -->\r\n",
       "<g id=\"edge51\" class=\"edge\"><title>41&#45;&gt;51</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2980.71,-403.397C3004.02,-391.741 3030.73,-378.384 3054.7,-366.399\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3056.36,-369.483 3063.74,-361.88 3053.23,-363.222 3056.36,-369.483\"/>\r\n",
       "</g>\r\n",
       "<!-- 43 -->\r\n",
       "<g id=\"node44\" class=\"node\"><title>43</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.670588\" stroke=\"black\" d=\"M2628,-253.5C2628,-253.5 2533,-253.5 2533,-253.5 2527,-253.5 2521,-247.5 2521,-241.5 2521,-241.5 2521,-212.5 2521,-212.5 2521,-206.5 2527,-200.5 2533,-200.5 2533,-200.5 2628,-200.5 2628,-200.5 2634,-200.5 2640,-206.5 2640,-212.5 2640,-212.5 2640,-241.5 2640,-241.5 2640,-247.5 2634,-253.5 2628,-253.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2548.5\" y=\"-238.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"2541\" y=\"-223.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"2529\" y=\"-208.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 90.1236</text>\r\n",
       "</g>\r\n",
       "<!-- 42&#45;&gt;43 -->\r\n",
       "<g id=\"edge43\" class=\"edge\"><title>42&#45;&gt;43</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2673.02,-296.884C2656.92,-284.896 2638.79,-271.399 2622.88,-259.549\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2624.89,-256.684 2614.78,-253.52 2620.71,-262.299 2624.89,-256.684\"/>\r\n",
       "</g>\r\n",
       "<!-- 44 -->\r\n",
       "<g id=\"node45\" class=\"node\"><title>44</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.482353\" stroke=\"black\" d=\"M2765,-261C2765,-261 2670,-261 2670,-261 2664,-261 2658,-255 2658,-249 2658,-249 2658,-205 2658,-205 2658,-199 2664,-193 2670,-193 2670,-193 2765,-193 2765,-193 2771,-193 2777,-199 2777,-205 2777,-205 2777,-249 2777,-249 2777,-255 2771,-261 2765,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2679.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 49.0799</text>\r\n",
       "<text text-anchor=\"start\" x=\"2669\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 74.0868</text>\r\n",
       "<text text-anchor=\"start\" x=\"2674\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 26</text>\r\n",
       "<text text-anchor=\"start\" x=\"2666\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 73.4625</text>\r\n",
       "</g>\r\n",
       "<!-- 42&#45;&gt;44 -->\r\n",
       "<g id=\"edge44\" class=\"edge\"><title>42&#45;&gt;44</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2717.5,-296.884C2717.5,-288.778 2717.5,-279.982 2717.5,-271.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2721,-271.299 2717.5,-261.299 2714,-271.299 2721,-271.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 45 -->\r\n",
       "<g id=\"node46\" class=\"node\"><title>45</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.427451\" stroke=\"black\" d=\"M2561,-157C2561,-157 2466,-157 2466,-157 2460,-157 2454,-151 2454,-145 2454,-145 2454,-101 2454,-101 2454,-95 2460,-89 2466,-89 2466,-89 2561,-89 2561,-89 2567,-89 2573,-95 2573,-101 2573,-101 2573,-145 2573,-145 2573,-151 2567,-157 2561,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2475.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 47.4784</text>\r\n",
       "<text text-anchor=\"start\" x=\"2465\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 53.1899</text>\r\n",
       "<text text-anchor=\"start\" x=\"2474\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"2462\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.9111</text>\r\n",
       "</g>\r\n",
       "<!-- 44&#45;&gt;45 -->\r\n",
       "<g id=\"edge45\" class=\"edge\"><title>44&#45;&gt;45</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2657.95,-196.223C2634.27,-184.387 2606.89,-170.695 2582.37,-158.435\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2583.64,-155.156 2573.13,-153.814 2580.51,-161.417 2583.64,-155.156\"/>\r\n",
       "</g>\r\n",
       "<!-- 48 -->\r\n",
       "<g id=\"node49\" class=\"node\"><title>48</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.498039\" stroke=\"black\" d=\"M2765,-157C2765,-157 2670,-157 2670,-157 2664,-157 2658,-151 2658,-145 2658,-145 2658,-101 2658,-101 2658,-95 2664,-89 2670,-89 2670,-89 2765,-89 2765,-89 2771,-89 2777,-95 2777,-101 2777,-101 2777,-145 2777,-145 2777,-151 2771,-157 2765,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2679.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 50.1043</text>\r\n",
       "<text text-anchor=\"start\" x=\"2669\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 71.3421</text>\r\n",
       "<text text-anchor=\"start\" x=\"2674\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 19</text>\r\n",
       "<text text-anchor=\"start\" x=\"2666\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 75.1393</text>\r\n",
       "</g>\r\n",
       "<!-- 44&#45;&gt;48 -->\r\n",
       "<g id=\"edge48\" class=\"edge\"><title>44&#45;&gt;48</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2717.5,-192.884C2717.5,-184.778 2717.5,-175.982 2717.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2721,-167.299 2717.5,-157.299 2714,-167.299 2721,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 46 -->\r\n",
       "<g id=\"node47\" class=\"node\"><title>46</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.490196\" stroke=\"black\" d=\"M2424,-53C2424,-53 2329,-53 2329,-53 2323,-53 2317,-47 2317,-41 2317,-41 2317,-12 2317,-12 2317,-6 2323,-0 2329,-0 2329,-0 2424,-0 2424,-0 2430,-0 2436,-6 2436,-12 2436,-12 2436,-41 2436,-41 2436,-47 2430,-53 2424,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2328\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 11.4597</text>\r\n",
       "<text text-anchor=\"start\" x=\"2337\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
       "<text text-anchor=\"start\" x=\"2325\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 74.2821</text>\r\n",
       "</g>\r\n",
       "<!-- 45&#45;&gt;46 -->\r\n",
       "<g id=\"edge46\" class=\"edge\"><title>45&#45;&gt;46</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2465.58,-88.9485C2451.53,-79.2516 2436.19,-68.6752 2422.27,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2424.03,-56.0337 2413.81,-53.2367 2420.06,-61.7959 2424.03,-56.0337\"/>\r\n",
       "</g>\r\n",
       "<!-- 47 -->\r\n",
       "<g id=\"node48\" class=\"node\"><title>47</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.380392\" stroke=\"black\" d=\"M2561,-53C2561,-53 2466,-53 2466,-53 2460,-53 2454,-47 2454,-41 2454,-41 2454,-12 2454,-12 2454,-6 2460,-0 2466,-0 2466,-0 2561,-0 2561,-0 2567,-0 2573,-6 2573,-12 2573,-12 2573,-41 2573,-41 2573,-47 2567,-53 2561,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2465\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 46.6255</text>\r\n",
       "<text text-anchor=\"start\" x=\"2474\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"2462\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 64.8829</text>\r\n",
       "</g>\r\n",
       "<!-- 45&#45;&gt;47 -->\r\n",
       "<g id=\"edge47\" class=\"edge\"><title>45&#45;&gt;47</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2513.5,-88.9485C2513.5,-80.7153 2513.5,-71.848 2513.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2517,-63.2367 2513.5,-53.2367 2510,-63.2367 2517,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 49 -->\r\n",
       "<g id=\"node50\" class=\"node\"><title>49</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.572549\" stroke=\"black\" d=\"M2698,-53C2698,-53 2603,-53 2603,-53 2597,-53 2591,-47 2591,-41 2591,-41 2591,-12 2591,-12 2591,-6 2597,-0 2603,-0 2603,-0 2698,-0 2698,-0 2704,-0 2710,-6 2710,-12 2710,-12 2710,-41 2710,-41 2710,-47 2704,-53 2698,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2602\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 22.8741</text>\r\n",
       "<text text-anchor=\"start\" x=\"2611\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 5</text>\r\n",
       "<text text-anchor=\"start\" x=\"2599\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 81.3059</text>\r\n",
       "</g>\r\n",
       "<!-- 48&#45;&gt;49 -->\r\n",
       "<g id=\"edge49\" class=\"edge\"><title>48&#45;&gt;49</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2694.07,-88.9485C2687.78,-80.0749 2680.96,-70.4648 2674.63,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2677.39,-59.3701 2668.75,-53.2367 2671.68,-63.4188 2677.39,-59.3701\"/>\r\n",
       "</g>\r\n",
       "<!-- 50 -->\r\n",
       "<g id=\"node51\" class=\"node\"><title>50</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.474510\" stroke=\"black\" d=\"M2829,-53C2829,-53 2740,-53 2740,-53 2734,-53 2728,-47 2728,-41 2728,-41 2728,-12 2728,-12 2728,-6 2734,-0 2740,-0 2740,-0 2829,-0 2829,-0 2835,-0 2841,-6 2841,-12 2841,-12 2841,-41 2841,-41 2841,-47 2835,-53 2829,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2736\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 70.2208</text>\r\n",
       "<text text-anchor=\"start\" x=\"2741\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 14</text>\r\n",
       "<text text-anchor=\"start\" x=\"2737.5\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 72.937</text>\r\n",
       "</g>\r\n",
       "<!-- 48&#45;&gt;50 -->\r\n",
       "<g id=\"edge50\" class=\"edge\"><title>48&#45;&gt;50</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2740.93,-88.9485C2747.22,-80.0749 2754.04,-70.4648 2760.37,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2763.32,-63.4188 2766.25,-53.2367 2757.61,-59.3701 2763.32,-63.4188\"/>\r\n",
       "</g>\r\n",
       "<!-- 52 -->\r\n",
       "<g id=\"node53\" class=\"node\"><title>52</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.611765\" stroke=\"black\" d=\"M3171,-261C3171,-261 3076,-261 3076,-261 3070,-261 3064,-255 3064,-249 3064,-249 3064,-205 3064,-205 3064,-199 3070,-193 3076,-193 3076,-193 3171,-193 3171,-193 3177,-193 3183,-199 3183,-205 3183,-205 3183,-249 3183,-249 3183,-255 3177,-261 3171,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3085.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 57.1056</text>\r\n",
       "<text text-anchor=\"start\" x=\"3075\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 66.6293</text>\r\n",
       "<text text-anchor=\"start\" x=\"3080\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 16</text>\r\n",
       "<text text-anchor=\"start\" x=\"3072\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 84.9273</text>\r\n",
       "</g>\r\n",
       "<!-- 51&#45;&gt;52 -->\r\n",
       "<g id=\"edge52\" class=\"edge\"><title>51&#45;&gt;52</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3123.5,-296.884C3123.5,-288.778 3123.5,-279.982 3123.5,-271.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3127,-271.299 3123.5,-261.299 3120,-271.299 3127,-271.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 59 -->\r\n",
       "<g id=\"node60\" class=\"node\"><title>59</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.541176\" stroke=\"black\" d=\"M3514,-261C3514,-261 3419,-261 3419,-261 3413,-261 3407,-255 3407,-249 3407,-249 3407,-205 3407,-205 3407,-199 3413,-193 3419,-193 3419,-193 3514,-193 3514,-193 3520,-193 3526,-199 3526,-205 3526,-205 3526,-249 3526,-249 3526,-255 3520,-261 3514,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3428.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 62.1955</text>\r\n",
       "<text text-anchor=\"start\" x=\"3418\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 93.6586</text>\r\n",
       "<text text-anchor=\"start\" x=\"3427\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 9</text>\r\n",
       "<text text-anchor=\"start\" x=\"3415\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 78.8341</text>\r\n",
       "</g>\r\n",
       "<!-- 51&#45;&gt;59 -->\r\n",
       "<g id=\"edge59\" class=\"edge\"><title>51&#45;&gt;59</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3183.25,-312.233C3242.82,-294.516 3334.27,-267.323 3397.04,-248.654\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3398.28,-251.94 3406.86,-245.734 3396.28,-245.23 3398.28,-251.94\"/>\r\n",
       "</g>\r\n",
       "<!-- 53 -->\r\n",
       "<g id=\"node54\" class=\"node\"><title>53</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.564706\" stroke=\"black\" d=\"M3103,-157C3103,-157 3008,-157 3008,-157 3002,-157 2996,-151 2996,-145 2996,-145 2996,-101 2996,-101 2996,-95 3002,-89 3008,-89 3008,-89 3103,-89 3103,-89 3109,-89 3115,-95 3115,-101 3115,-101 3115,-145 3115,-145 3115,-151 3109,-157 3103,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3022\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 53.987</text>\r\n",
       "<text text-anchor=\"start\" x=\"3007\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 15.8998</text>\r\n",
       "<text text-anchor=\"start\" x=\"3012\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 10</text>\r\n",
       "<text text-anchor=\"start\" x=\"3004\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.6454</text>\r\n",
       "</g>\r\n",
       "<!-- 52&#45;&gt;53 -->\r\n",
       "<g id=\"edge53\" class=\"edge\"><title>52&#45;&gt;53</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3101.42,-192.884C3095.66,-184.243 3089.38,-174.819 3083.36,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3086.16,-163.678 3077.7,-157.299 3080.33,-167.561 3086.16,-163.678\"/>\r\n",
       "</g>\r\n",
       "<!-- 56 -->\r\n",
       "<g id=\"node57\" class=\"node\"><title>56</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.694118\" stroke=\"black\" d=\"M3240,-157C3240,-157 3145,-157 3145,-157 3139,-157 3133,-151 3133,-145 3133,-145 3133,-101 3133,-101 3133,-95 3139,-89 3145,-89 3145,-89 3240,-89 3240,-89 3246,-89 3252,-95 3252,-101 3252,-101 3252,-145 3252,-145 3252,-151 3246,-157 3240,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3154.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 57.6464</text>\r\n",
       "<text text-anchor=\"start\" x=\"3148\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 69.689</text>\r\n",
       "<text text-anchor=\"start\" x=\"3153\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 6</text>\r\n",
       "<text text-anchor=\"start\" x=\"3141\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 92.0639</text>\r\n",
       "</g>\r\n",
       "<!-- 52&#45;&gt;56 -->\r\n",
       "<g id=\"edge56\" class=\"edge\"><title>52&#45;&gt;56</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3145.9,-192.884C3151.75,-184.243 3158.12,-174.819 3164.23,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3167.27,-167.543 3169.97,-157.299 3161.47,-163.621 3167.27,-167.543\"/>\r\n",
       "</g>\r\n",
       "<!-- 54 -->\r\n",
       "<g id=\"node55\" class=\"node\"><title>54</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.619608\" stroke=\"black\" d=\"M2966,-53C2966,-53 2871,-53 2871,-53 2865,-53 2859,-47 2859,-41 2859,-41 2859,-12 2859,-12 2859,-6 2865,-0 2871,-0 2871,-0 2966,-0 2966,-0 2972,-0 2978,-6 2978,-12 2978,-12 2978,-41 2978,-41 2978,-47 2972,-53 2966,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2886.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"2879\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"2867\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 85.6682</text>\r\n",
       "</g>\r\n",
       "<!-- 53&#45;&gt;54 -->\r\n",
       "<g id=\"edge54\" class=\"edge\"><title>53&#45;&gt;54</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3007.58,-88.9485C2993.53,-79.2516 2978.19,-68.6752 2964.27,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2966.03,-56.0337 2955.81,-53.2367 2962.06,-61.7959 2966.03,-56.0337\"/>\r\n",
       "</g>\r\n",
       "<!-- 55 -->\r\n",
       "<g id=\"node56\" class=\"node\"><title>55</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.556863\" stroke=\"black\" d=\"M3103,-53C3103,-53 3008,-53 3008,-53 3002,-53 2996,-47 2996,-41 2996,-41 2996,-12 2996,-12 2996,-6 3002,-0 3008,-0 3008,-0 3103,-0 3103,-0 3109,-0 3115,-6 3115,-12 3115,-12 3115,-41 3115,-41 3115,-47 3109,-53 3103,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3007\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 14.5518</text>\r\n",
       "<text text-anchor=\"start\" x=\"3016\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 9</text>\r\n",
       "<text text-anchor=\"start\" x=\"3004\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.0873</text>\r\n",
       "</g>\r\n",
       "<!-- 53&#45;&gt;55 -->\r\n",
       "<g id=\"edge55\" class=\"edge\"><title>53&#45;&gt;55</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3055.5,-88.9485C3055.5,-80.7153 3055.5,-71.848 3055.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3059,-63.2367 3055.5,-53.2367 3052,-63.2367 3059,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 57 -->\r\n",
       "<g id=\"node58\" class=\"node\"><title>57</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.662745\" stroke=\"black\" d=\"M3240,-53C3240,-53 3145,-53 3145,-53 3139,-53 3133,-47 3133,-41 3133,-41 3133,-12 3133,-12 3133,-6 3139,-0 3145,-0 3145,-0 3240,-0 3240,-0 3246,-0 3252,-6 3252,-12 3252,-12 3252,-41 3252,-41 3252,-47 3246,-53 3240,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3148\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 78.246</text>\r\n",
       "<text text-anchor=\"start\" x=\"3153\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"3141\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 89.1407</text>\r\n",
       "</g>\r\n",
       "<!-- 56&#45;&gt;57 -->\r\n",
       "<g id=\"edge57\" class=\"edge\"><title>56&#45;&gt;57</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3192.5,-88.9485C3192.5,-80.7153 3192.5,-71.848 3192.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3196,-63.2367 3192.5,-53.2367 3189,-63.2367 3196,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 58 -->\r\n",
       "<g id=\"node59\" class=\"node\"><title>58</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.760784\" stroke=\"black\" d=\"M3377,-53C3377,-53 3282,-53 3282,-53 3276,-53 3270,-47 3270,-41 3270,-41 3270,-12 3270,-12 3270,-6 3276,-0 3282,-0 3282,-0 3377,-0 3377,-0 3383,-0 3389,-6 3389,-12 3389,-12 3389,-41 3389,-41 3389,-47 3383,-53 3377,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3285\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 1.3017</text>\r\n",
       "<text text-anchor=\"start\" x=\"3290\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"3278\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 97.9105</text>\r\n",
       "</g>\r\n",
       "<!-- 56&#45;&gt;58 -->\r\n",
       "<g id=\"edge58\" class=\"edge\"><title>56&#45;&gt;58</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3240.42,-88.9485C3254.47,-79.2516 3269.81,-68.6752 3283.73,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3285.94,-61.7959 3292.19,-53.2367 3281.97,-56.0337 3285.94,-61.7959\"/>\r\n",
       "</g>\r\n",
       "<!-- 60 -->\r\n",
       "<g id=\"node61\" class=\"node\"><title>60</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.529412\" stroke=\"black\" d=\"M3514,-157C3514,-157 3419,-157 3419,-157 3413,-157 3407,-151 3407,-145 3407,-145 3407,-101 3407,-101 3407,-95 3413,-89 3419,-89 3419,-89 3514,-89 3514,-89 3520,-89 3526,-95 3526,-101 3526,-101 3526,-145 3526,-145 3526,-151 3520,-157 3514,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3428.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 60.9138</text>\r\n",
       "<text text-anchor=\"start\" x=\"3418\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 97.0576</text>\r\n",
       "<text text-anchor=\"start\" x=\"3427\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 8</text>\r\n",
       "<text text-anchor=\"start\" x=\"3415\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 77.8733</text>\r\n",
       "</g>\r\n",
       "<!-- 59&#45;&gt;60 -->\r\n",
       "<g id=\"edge60\" class=\"edge\"><title>59&#45;&gt;60</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3466.5,-192.884C3466.5,-184.778 3466.5,-175.982 3466.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3470,-167.299 3466.5,-157.299 3463,-167.299 3470,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 63 -->\r\n",
       "<g id=\"node64\" class=\"node\"><title>63</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.631373\" stroke=\"black\" d=\"M3651,-149.5C3651,-149.5 3556,-149.5 3556,-149.5 3550,-149.5 3544,-143.5 3544,-137.5 3544,-137.5 3544,-108.5 3544,-108.5 3544,-102.5 3550,-96.5 3556,-96.5 3556,-96.5 3651,-96.5 3651,-96.5 3657,-96.5 3663,-102.5 3663,-108.5 3663,-108.5 3663,-137.5 3663,-137.5 3663,-143.5 3657,-149.5 3651,-149.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3569\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"3564\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"3552\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 86.5205</text>\r\n",
       "</g>\r\n",
       "<!-- 59&#45;&gt;63 -->\r\n",
       "<g id=\"edge63\" class=\"edge\"><title>59&#45;&gt;63</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3510.98,-192.884C3527.08,-180.896 3545.21,-167.399 3561.12,-155.549\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3563.29,-158.299 3569.22,-149.52 3559.11,-152.684 3563.29,-158.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 61 -->\r\n",
       "<g id=\"node62\" class=\"node\"><title>61</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.560784\" stroke=\"black\" d=\"M3514,-53C3514,-53 3419,-53 3419,-53 3413,-53 3407,-47 3407,-41 3407,-41 3407,-12 3407,-12 3407,-6 3413,-0 3419,-0 3419,-0 3514,-0 3514,-0 3520,-0 3526,-6 3526,-12 3526,-12 3526,-41 3526,-41 3526,-47 3520,-53 3514,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3418\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 83.7365</text>\r\n",
       "<text text-anchor=\"start\" x=\"3427\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 6</text>\r\n",
       "<text text-anchor=\"start\" x=\"3415\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.4426</text>\r\n",
       "</g>\r\n",
       "<!-- 60&#45;&gt;61 -->\r\n",
       "<g id=\"edge61\" class=\"edge\"><title>60&#45;&gt;61</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3466.5,-88.9485C3466.5,-80.7153 3466.5,-71.848 3466.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3470,-63.2367 3466.5,-53.2367 3463,-63.2367 3470,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 62 -->\r\n",
       "<g id=\"node63\" class=\"node\"><title>62</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.443137\" stroke=\"black\" d=\"M3651,-53C3651,-53 3556,-53 3556,-53 3550,-53 3544,-47 3544,-41 3544,-41 3544,-12 3544,-12 3544,-6 3550,-0 3556,-0 3556,-0 3651,-0 3651,-0 3657,-0 3663,-6 3663,-12 3663,-12 3663,-41 3663,-41 3663,-47 3657,-53 3651,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3555\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 57.8064</text>\r\n",
       "<text text-anchor=\"start\" x=\"3564\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"3552\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 70.1654</text>\r\n",
       "</g>\r\n",
       "<!-- 60&#45;&gt;62 -->\r\n",
       "<g id=\"edge62\" class=\"edge\"><title>60&#45;&gt;62</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3514.42,-88.9485C3528.47,-79.2516 3543.81,-68.6752 3557.73,-59.073\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3559.94,-61.7959 3566.19,-53.2367 3555.97,-56.0337 3559.94,-61.7959\"/>\r\n",
       "</g>\r\n",
       "<!-- 65 -->\r\n",
       "<g id=\"node66\" class=\"node\"><title>65</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.960784\" stroke=\"black\" d=\"M3586,-357.5C3586,-357.5 3483,-357.5 3483,-357.5 3477,-357.5 3471,-351.5 3471,-345.5 3471,-345.5 3471,-316.5 3471,-316.5 3471,-310.5 3477,-304.5 3483,-304.5 3483,-304.5 3586,-304.5 3586,-304.5 3592,-304.5 3598,-310.5 3598,-316.5 3598,-316.5 3598,-345.5 3598,-345.5 3598,-351.5 3592,-357.5 3586,-357.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3502.5\" y=\"-342.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"3495\" y=\"-327.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"3479\" y=\"-312.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 115.2442</text>\r\n",
       "</g>\r\n",
       "<!-- 64&#45;&gt;65 -->\r\n",
       "<g id=\"edge65\" class=\"edge\"><title>64&#45;&gt;65</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3534.5,-400.884C3534.5,-390.326 3534.5,-378.597 3534.5,-367.854\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3538,-367.52 3534.5,-357.52 3531,-367.52 3538,-367.52\"/>\r\n",
       "</g>\r\n",
       "<!-- 66 -->\r\n",
       "<g id=\"node67\" class=\"node\"><title>66</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.800000\" stroke=\"black\" d=\"M4002,-365C4002,-365 3899,-365 3899,-365 3893,-365 3887,-359 3887,-353 3887,-353 3887,-309 3887,-309 3887,-303 3893,-297 3899,-297 3899,-297 4002,-297 4002,-297 4008,-297 4014,-303 4014,-309 4014,-309 4014,-353 4014,-353 4014,-359 4008,-365 4002,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3912.5\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 68.5425</text>\r\n",
       "<text text-anchor=\"start\" x=\"3897.5\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 128.9701</text>\r\n",
       "<text text-anchor=\"start\" x=\"3911\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"3895\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 101.1866</text>\r\n",
       "</g>\r\n",
       "<!-- 64&#45;&gt;66 -->\r\n",
       "<g id=\"edge66\" class=\"edge\"><title>64&#45;&gt;66</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3598.13,-418.397C3673.22,-399.987 3797.83,-369.434 3876.97,-350.028\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3877.99,-353.382 3886.87,-347.601 3876.33,-346.583 3877.99,-353.382\"/>\r\n",
       "</g>\r\n",
       "<!-- 67 -->\r\n",
       "<g id=\"node68\" class=\"node\"><title>67</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.760784\" stroke=\"black\" d=\"M3999.5,-261C3999.5,-261 3901.5,-261 3901.5,-261 3895.5,-261 3889.5,-255 3889.5,-249 3889.5,-249 3889.5,-205 3889.5,-205 3889.5,-199 3895.5,-193 3901.5,-193 3901.5,-193 3999.5,-193 3999.5,-193 4005.5,-193 4011.5,-199 4011.5,-205 4011.5,-205 4011.5,-249 4011.5,-249 4011.5,-255 4005.5,-261 3999.5,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"3912.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 65.8029</text>\r\n",
       "<text text-anchor=\"start\" x=\"3897.5\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 130.1074</text>\r\n",
       "<text text-anchor=\"start\" x=\"3911\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 5</text>\r\n",
       "<text text-anchor=\"start\" x=\"3903.5\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 97.839</text>\r\n",
       "</g>\r\n",
       "<!-- 66&#45;&gt;67 -->\r\n",
       "<g id=\"edge67\" class=\"edge\"><title>66&#45;&gt;67</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3950.5,-296.884C3950.5,-288.778 3950.5,-279.982 3950.5,-271.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3954,-271.299 3950.5,-261.299 3947,-271.299 3954,-271.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 74 -->\r\n",
       "<g id=\"node75\" class=\"node\"><title>74</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.894118\" stroke=\"black\" d=\"M4215,-261C4215,-261 4112,-261 4112,-261 4106,-261 4100,-255 4100,-249 4100,-249 4100,-205 4100,-205 4100,-199 4106,-193 4112,-193 4112,-193 4215,-193 4215,-193 4221,-193 4227,-199 4227,-205 4227,-205 4227,-249 4227,-249 4227,-255 4221,-261 4215,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"4125.5\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 69.5559</text>\r\n",
       "<text text-anchor=\"start\" x=\"4115\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 28.0729</text>\r\n",
       "<text text-anchor=\"start\" x=\"4124\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"4108\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 109.5555</text>\r\n",
       "</g>\r\n",
       "<!-- 66&#45;&gt;74 -->\r\n",
       "<g id=\"edge74\" class=\"edge\"><title>66&#45;&gt;74</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4014.12,-299.535C4038.25,-287.98 4065.9,-274.738 4090.8,-262.813\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4092.33,-265.96 4099.84,-258.484 4089.31,-259.647 4092.33,-265.96\"/>\r\n",
       "</g>\r\n",
       "<!-- 68 -->\r\n",
       "<g id=\"node69\" class=\"node\"><title>68</title>\r\n",
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       "<text text-anchor=\"start\" x=\"3843.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 65.0616</text>\r\n",
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       "<!-- 67&#45;&gt;68 -->\r\n",
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       "<text text-anchor=\"start\" x=\"3984.5\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 67.2546</text>\r\n",
       "<text text-anchor=\"start\" x=\"3974\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 49.2892</text>\r\n",
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       "<g id=\"node70\" class=\"node\"><title>69</title>\r\n",
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       "<text text-anchor=\"start\" x=\"3696\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.6833</text>\r\n",
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       "<text text-anchor=\"start\" x=\"3689\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 94.4027</text>\r\n",
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       "<text text-anchor=\"start\" x=\"3990.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
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       "<text text-anchor=\"start\" x=\"4127.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
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